Sekolah Menengah Kebangsaan Sentul Utama, or SMKSU, is a morning-session public coeducational secondary school located in Malaysia. The school is known for its architecture and building design which is the second tallest building in Malaysia.

SMKSU was established in 2010 with Form 1, Form 2 and Form 4. The students were under the supervision of Puan Hajah Maznah Binti Haji Mazlan, the ex-principal of SMK Setapak Indah. Initially there were 200-300 students. Now the number of students is above 800.

• Puan Hajah Maznah Haji Mazlan (2010-2014)
• Puan Norsiah Yahya (2014–present)
• Puan Che Ma Rabitah (2019-2022)
• Puan Aswalela Abdullah (2023-now)

• 2010-2011 - Dhivien Sean Raj A/L Selva Kumaran
• 2011-2012 - Syafiq Abdul Latiff
• 2012-2013 - Nik Nur Muhammad Ameer Nik Zainudin
• 2013-2014 - Prasana A/P Arasu
• 2014-2015 - Muhammad Syahrul Nizam
• 2015-2016 - Wan Nur Arina
• 2016-2017 - M.Ammar Faruq
• 2017-2018 - Tan kar Hoe
• 2018-2019 - M.Hafiz

• 2016-2017 - Nur Syahirah Azman
• 2017-2018 - Zakirah Nur Alya
• 2018-2019 - Nur Aina Ashikin

Knowledgeable, Well-mannered, Visionary.

SMKSU has two blocks of class rooms, labs, an Academic block, Staff room, Office, Examination room, Library, Multimedia room and a Meeting room. Besides that the school has a canteen, a multi-purpose hall and two computer labs.